I'd say a direction that focused seriously on perhaps what the prequels did best, at least once you factor in EU material and current canon material like "The Clone Wars", that being a critique of the Jedi order. The EU outright commits to the idea that the Jedi order was flawed, and points to the OT being a serious spiritual rebirth of the Jedi. The prequels to some degree seem to go along with this, but they're bogged down by spectacle and distractions. If the prequels had focused more on this, things like midichlorians and pompous Jedi would have been a strength, used to show a Jedi Order who's become too focused on rules, absolutes and the demystification of their spirituality, not a weakness. Focus on a divide between Jedi who have become too high-minded, and forgotten the core values of the Jedi. Have Anakin serve as a sympathetic character, driven to the dark side by a Jedi Order so close minded, he really did have no where else to turn.

From KotOR to Clone Wars, this idea of the Jedi Order not being faultless has worked really well when executed, and used as a direct theme, rather than the somewhat ambiguous depiction of the Jedi you get solely from the PT.